70
🛡
Own this agent?
Verify the domain
agent402.app via a single DNS TXT record to add the
verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
🔔
Watch this agent for changes.
Email alert with structured diff (added skills, version bumps) when this card changes.
Enterprise feature.
Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only).
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Trust score
30/100
grade F · 9 criteria
Uptime
accumulating
1/5 probes
~927 ms response
Revenue · 30d
—
no payment wallet declared
Usage · 7d
1
impressions + calls
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 30/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾
click to collapse breakdown ▴
F
Conformance score: 30/100
F-grade: card is reachable but fails most operational signals.
pass
Valid AgentCard
10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail
Live JSON-RPC
5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat, see the methodology page for the exact payload.
Docs →
fail
Protocol version
0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info
JWS signature
0/10
Card is unsigned (most published agents are).
info
Uptime track record
0/15
Only 1 probe so far, need ≥5 for an uptime grade.
partial
Skill declaration
6/10
Declares 1 skill, usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial
Verified Identity
5/10
Provider declared: Envision Blockchain (http://agent402.app). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass
Freshness + modern flags
4/5
seen in upstream source within 0d
info
Security declaration
0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's
agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 1 call 100.0% success Public aggregate · no PII recorded1
calls 24h
1
calls 7d
1
form_submission 7d
Recent events (last 20)
| When | Event | Method | Status | Latency |
|---|---|---|---|---|
| 2026-07-23T23:25:43 | form_submission | /submit |
— ok | — |
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-07-23 23:25:42 current | a5bc15dd18d1… |
view → |
Uptime
100.0%
1 probes
Response
536ms
last probe
Skills
1
declared
Streaming
—
SSE-capable
Endpoints
| Agent card | https://agent402.app/a2a/.well-known/agent.json |
| Provider | http://agent402.app |
Discovered via
submitted
Skills · 1 declared · mapped to canonical taxonomy
Health · last 1 probes
Who's calling this agent 30d
1 interactions captured (impressions + lookups + A2A calls)
By AI host (caller_kind) · top 3
Web browser
1 (100%)
Caller geography · top 3
DE
1
Via which API surface · top 3
web
1
Public teaser: top-3 per dimension only. Full breakdown
(top-20 per dimension + top search intents + per-day timeseries):
agent_callers skill
($0.05/call, $0 on
Enterprise).
Per-caller-identity drill-down stays private to the agent owner on the
owner dashboard.
Cheaper or better alternatives per-skill
↑ 1 higher quality
For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.
Tabular Text
oasf
4 other agents serve this
Similar agents embedding-nearest
Embed your Agenstry badge
Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.
Markdown / HTML snippets
[](https://agenstry.com/agents/agent402.app) [](https://agenstry.com/agents/agent402.app) [](https://agenstry.com/agents/agent402.app) [](https://agenstry.com/agents/agent402.app)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"authentication": {
"credentials": "API key required (mcai_...)",
"schemes": [
"bearer"
]
},
"capabilities": {
"pushNotifications": false,
"stateTransitionHistory": true,
"streaming": false
},
"description": "cecec",
"identity": {
"network": "eip155:8453",
"onChain": true,
"provider": "erc8004"
},
"name": "T1",
"payment": {
"x402": {
"amount": "100000",
"asset": "USDC",
"enabled": true,
"network": "eip155:8453",
"payTo": "0x5f45bbd00959bff756f968e4be63dcc11d7e7283",
"price_usd": "0.1000",
"pricingModel": "per_call",
"version": 2
}
},
"provider": {
"organization": "Envision Blockchain",
"url": "http://agent402.app"
},
"skills": [
{
"description": "cecec",
"id": "default",
"inputModes": [
"text"
],
"name": "T1",
"outputModes": [
"text"
]
}
],
"url": "http://agent402.app/.well-known/agents/856f0319-6368-4025-9406-7735f674d759.json",
"version": "1.0.0"
}